Power and battery ? (1 Viewer)

Jan 31, 2016
1,891
3,342
Alness, Cromarty Firth
Funster No
41,524
MH
Hymer B544 (2012)
Exp
newbie
Looking at various bikes, I need one for swmbo, they all have different batteries and power, like 36v 10amp etc.

I'm lost as to what to get, bit of forest track and down to shops, so probably a hybrid.

And less than £1000 if possible ?
 

mrwexpress

Free Member
Sep 27, 2014
14
46
Kent
Funster No
33,531
MH
Caravan at the mo
Exp
Since 2010
Have a look at the haibike trekking range, you'll probably be able to pick 2 up for just over £3k
 

pappajohn

LIFE MEMBER
Aug 26, 2007
43,207
48,802
Dark side of the moon
Funster No
172
Exp
Since 2005
Bit of trail and shops.....chinese bike.
36v 10ah will give 20/25 mile range.
My mate just got one from Argos... £700.
Only has an 8.8ah battery though so ignore their claim to 35mile range.

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Mar 26, 2018
440
1,366
Ormskilrk
Funster No
53,013
MH
Swift Voyager 685FB
'Your mileage may vary' ..... literally!

The distance your ebike will go depends on your battery size and power usage. The power usage you can set by the choice of assistance level but, much more importantly, your weight. The heavier you are the more battery power it takes to move you.

Both our bikes have the same wattage motors but my wifes has a 13amp/h battery and mine has a 15amp/h battery. She weighs half what I do and thus her bike will go farther on one charge.

As an example today I was riding on a disused railway line (Cheshire Lines NCN62). In power level 1 I was using about 60watts to do 13mph.
Coming back the gale was blowing in my face and I moved up to level 4. I was now using 250watts to do 13mph.

At that rate a 15amp/h battery @ 36v is 540 watt/h, using 60watts should last 9 hours. At 13mph that's about 117 miles!
Or the same 540 watt/h battery using 250watts should only last 2.16 hours or 28 miles.

All the above figures ignore friction losses and the fact that you can't use all 540watts from the battery etc but gives you an idea. In the real world I have cycled 25miles in a day and used half a battery. That was a mixture of flat and hills on a hybrid Cube bike.

I hope the above helps a little bit ....

ps. Converted my own bike with a kit for lots less than £1000.
 
Aug 18, 2011
12,090
17,893
derbys
Funster No
17,808
MH
AUTOSLEEPER SYMBOL
Exp
since 2007.Tugger before since 1970
Tried E.Bike at Halfords earlier in the year, not that impressed so we have carried on using pedal power..Not really struggled any where in Spain yet this trip.Mind you we do avoid mountains..May try a few e.bikes out this winter..BUSBY.

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May 8, 2011
3,834
47,990
God's county. Helmsley, North Yorkshire.
Funster No
16,317
MH
IH Tio 630 RL
Exp
Since April 1846 but have always camped.
'Your mileage may vary' ..... literally!

The distance your ebike will go depends on your battery size and power usage. The power usage you can set by the choice of assistance level but, much more importantly, your weight. The heavier you are the more battery power it takes to move you.

Both our bikes have the same wattage motors but my wifes has a 13amp/h battery and mine has a 15amp/h battery. She weighs half what I do and thus her bike will go farther on one charge.

As an example today I was riding on a disused railway line (Cheshire Lines NCN62). In power level 1 I was using about 60watts to do 13mph.
Coming back the gale was blowing in my face and I moved up to level 4. I was now using 250watts to do 13mph.

At that rate a 15amp/h battery @ 36v is 540 watt/h, using 60watts should last 9 hours. At 13mph that's about 117 miles!
Or the same 540 watt/h battery using 250watts should only last 2.16 hours or 28 miles.

All the above figures ignore friction losses and the fact that you can't use all 540watts from the battery etc but gives you an idea. In the real world I have cycled 25miles in a day and used half a battery. That was a mixture of flat and hills on a hybrid Cube bike.

I hope the above helps a little bit ....

ps. Converted my own bike with a kit for lots less than £1000.
 
May 8, 2011
3,834
47,990
God's county. Helmsley, North Yorkshire.
Funster No
16,317
MH
IH Tio 630 RL
Exp
Since April 1846 but have always camped.
'Your mileage may vary' ..... literally!

The distance your ebike will go depends on your battery size and power usage. The power usage you can set by the choice of assistance level but, much more importantly, your weight. The heavier you are the more battery power it takes to move you.

Both our bikes have the same wattage motors but my wifes has a 13amp/h battery and mine has a 15amp/h battery. She weighs half what I do and thus her bike will go farther on one charge.

As an example today I was riding on a disused railway line (Cheshire Lines NCN62). In power level 1 I was using about 60watts to do 13mph.
Coming back the gale was blowing in my face and I moved up to level 4. I was now using 250watts to do 13mph.

At that rate a 15amp/h battery @ 36v is 540 watt/h, using 60watts should last 9 hours. At 13mph that's about 117 miles!
Or the same 540 watt/h battery using 250watts should only last 2.16 hours or 28 miles.

All the above figures ignore friction losses and the fact that you can't use all 540watts from the battery etc but gives you an idea. In the real world I have cycled 25miles in a day and used half a battery. That was a mixture of flat and hills on a hybrid Cube bike.

I hope the above helps a little bit ....

ps. Converted my own bike with a kit for lots less than £1000.
Can I ask the name of the kit as I fancy doing mine.
Cheers.
 
Mar 26, 2018
440
1,366
Ormskilrk
Funster No
53,013
MH
Swift Voyager 685FB
It was a 'Season' kit from eBay seller Yosepower. Looks like he is not trading at the moment but there are lots of other kits to choose from.

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Mar 28, 2009
74
40,066
Langford, Bedfordshire
Funster No
6,084
MH
Burstner Elegance
Exp
Since 1995
I'll second what Steve N Tracy said - E-Rangers are great - we've had two for a few years. They're well made & comfortable too.
Bazza

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